linux-kernel - Re: [RFC PATCH 3/4] driver: hwpf: Add Kconfig/Makefile to build hardware prefetch driver

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Message-ID: <700a5781-26ac-bf75-19e3-67ef56e159a5@infradead.org>
Date:   Sun, 10 Oct 2021 21:52:58 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Kohei Tarumizu <tarumizu.kohei@...itsu.com>, hpa@...or.com,
        tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 3/4] driver: hwpf: Add Kconfig/Makefile to build
 hardware prefetch driver

On 10/10/21 9:39 PM, Kohei Tarumizu wrote:
> diff --git a/drivers/hwpf/Kconfig b/drivers/hwpf/Kconfig
> new file mode 100644
> index 000000000..24528ca85
> --- /dev/null
> +++ b/drivers/hwpf/Kconfig
> @@ -0,0 +1,24 @@
> +config ARCH_HAS_HARDWARE_PREFETCH
> +	bool
> +
> +menuconfig HARDWARE_PREFETCH
> +	bool "Hardware Prefetch Control"
> +	depends on ARCH_HAS_HARDWARE_PREFETCH
> +	default y
> +	help
> +	  Hardware Prefetch Control Driver
> +
> +	  This driver allows you to control the Hardware Prefetch mechanism.
> +	  If the hardware supports the mechanism, it provides a sysfs interface
> +	  for changeing the feature's enablement, prefetch distance and strongness.

	      changing


-- 
~Randy